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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE HIDROXILAMINAS N,N-DISSUBSTITUÍDAS.

PublicadaInvention Patent

Application data

Number

PI8700701

Type

Invention Patent

Filing

02/16/1987

Publication

12/15/1987

Progress at the INPI

  1. Filing02/16/87
  2. Publication12/15/87
  3. Examination10/09/90
  4. Allowance10/26/93
  5. Grant05/31/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Interox

BE

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Inventors

F. L. (pessoa física)

BE

P. D. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

FR

86.02217 · 02/17/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/15/1987

RPI 895

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Carta-patente expirada

#21.1

Patente extinta em 16/02/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/26/1993

RPI 1195

Exigência - art. 36 da LPI

#6.1

12/17/1991

RPI 1098

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

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